In certain gas there is an electric current of 12A flowing flowing to the right

Question

In certain gas there is an electric current of 12A flowing flowing to the right through a surface. There are negative and positive charges flowing in opposite directions. There is half as much negative charge as positive charge passing through the surface every second. How much negative charges passes through the surface per second? In certain gas there is an electric current of 12A flowing flowing to the right through a surface. There are negative and positive charges flowing in opposite directions. There is half as much negative charge as positive charge passing through the surface every second. How much negative charges passes through the surface per second? In certain gas there is an electric current of 12A flowing flowing to the right through a surface. There are negative and positive charges flowing in opposite directions. There is half as much negative charge as positive charge passing through the surface every second. How much negative charges passes through the surface per second? In certain gas there is an electric current of 12A flowing flowing to the right through a surface. There are negative and positive charges flowing in opposite directions. There is half as much negative charge as positive charge passing through the surface every second. How much negative charges passes through the surface per second?

Explanation / Answer

I = Q / t

hence per second, 12 C passes through crosssection.

half of this charge is contributed by +ve charged and half is by -ve charged.

Ans: 6 C  

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